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serial: sirf: use PM macro initialize PM functions

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use SET_SYSTEM_SLEEP_PM_OPS to initialize suspend/resume functions
instead of legacy suspend and resume entries of platform_driver.
this will add hibernation support automatically as suspend to disk
entries are also set.

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Qipan Li 2014-01-03 15:44:06 +08:00 committed by Greg Kroah-Hartman
parent 093a9e2a20
commit 99e626f504
1 changed files with 11 additions and 6 deletions
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17
drivers/tty/serial/sirfsoc_uart.c
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@ -1518,32 +1518,37 @@ static int sirfsoc_uart_remove(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_PM_SLEEP
static int static int
sirfsoc_uart_suspend(struct platform_device *pdev, pm_message_t state) sirfsoc_uart_suspend(struct device *pdev)
{ {
struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev); struct sirfsoc_uart_port *sirfport = dev_get_drvdata(pdev);
struct uart_port *port = &sirfport->port; struct uart_port *port = &sirfport->port;
uart_suspend_port(&sirfsoc_uart_drv, port); uart_suspend_port(&sirfsoc_uart_drv, port);
return 0; return 0;
} }
static int sirfsoc_uart_resume(struct platform_device *pdev) static int sirfsoc_uart_resume(struct device *pdev)
{ {
struct sirfsoc_uart_port *sirfport = platform_get_drvdata(pdev); struct sirfsoc_uart_port *sirfport = dev_get_drvdata(pdev);
struct uart_port *port = &sirfport->port; struct uart_port *port = &sirfport->port;
uart_resume_port(&sirfsoc_uart_drv, port); uart_resume_port(&sirfsoc_uart_drv, port);
return 0; return 0;
} }
#endif
static const struct dev_pm_ops sirfsoc_uart_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(sirfsoc_uart_suspend, sirfsoc_uart_resume)
};
static struct platform_driver sirfsoc_uart_driver = { static struct platform_driver sirfsoc_uart_driver = {
.probe = sirfsoc_uart_probe, .probe = sirfsoc_uart_probe,
.remove = sirfsoc_uart_remove, .remove = sirfsoc_uart_remove,
.suspend = sirfsoc_uart_suspend,
.resume = sirfsoc_uart_resume,
.driver = { .driver = {
.name = SIRFUART_PORT_NAME, .name = SIRFUART_PORT_NAME,
.owner = THIS_MODULE, .owner = THIS_MODULE,
.of_match_table = sirfsoc_uart_ids, .of_match_table = sirfsoc_uart_ids,
.pm = &sirfsoc_uart_pm_ops,
}, },
}; };